On Thu, 2009-07-09 at 00:39 -0400, Dave Jones wrote:> On Wed, Jul 08, 2009 at 08:36:04PM +0200, Peter Zijlstra wrote:> > Looking at a lockdep dump hch gave me I can see that that is certainly> > possible, I see tons of very deep callchains.> > > > /me wonders if we're getting significantly deeper..> > Looking at /proc/lockdep, I'm curious..> Take a look at http://davej.fedorapeople.org/lockdep> scroll down to c12c0924> > What's up with all those old_style_spin_init's ?

What kernel are you running? Does your lib/dma_debug.c:dma_debug_init()have spin_lock_init() in that HASH_SIZE loop?